package ftp;

public class Example {
    public static void main(String[] args) {
        Person person = new Person();
        person.setName("Fcant");
        System.out.println(person.getName());
    }
}

 class Demo3{
    int i;

    public void method(){
        this.i=3;
 // i=3 相当于this.i
    }
 }
